Citroën Relay III Brake Caliper Housing Cylinder Rear Right O/S 1651766680

Citroën Relay III Brake Caliper Housing Cylinder Rear Right O/S is a factory-made brake system component designed for installation on the rear right axle of the vehicle. The robust construction of the housing ensures stable caliper guidance, which translates into repeatable braking performance and safe operation of the entire system. This used OEM component is a sensible choice for vehicle maintenance when you prioritize original geometry and fitment for your Citroën.

Specifications and technical data

• SKU: 1651766680
• Mark: Citroën
• Condition: Used
• OEM Part Number: 1651766680
• Substitutable numbers: 1651766680, 16 517 666 80
• Location on the vehicle: Rear, Right
• Part type: Brake Caliper
• Category: Calipers & Brackets

Purpose and vehicle placement

The housing is designed to operate in the rear right section of the brake system, where it is responsible for the precise guidance of the moving caliper components. Correct placement on the vehicle minimizes the risk of uneven brake pad wear and supports vehicle stability during braking, especially under heavy loads typical for commercial vehicles.

Thanks to its dedicated fitment for the Citroën Relay III design, the installation of the housing does not require any modifications, and the mounting geometry remains consistent with the manufacturer's factory specifications. This is important wherever repeatable braking parameters and predictable vehicle behavior are essential.

Construction and function of the caliper housing

The brake caliper housing plays a key load-bearing role for the entire mechanism: it holds the guide pins, working components, and interacts with the carrier and brake disc. The appropriate structural rigidity limits deflection during intensive braking, which helps maintain even pressure of the pads against the disc.

A properly selected housing:

• ensures stable guidance of the brake pads in the caliper,
• reduces vibration and noise during braking,
• supports even wear of friction elements,
• facilitates service and periodic inspections of the brake system.

In the case of the Citroën Relay III, using an original housing allows for maintaining factory operating parameters, which is particularly important in vehicles used intensively, e.g., in freight transport.

Benefits of using an original housing in the Citroën Relay III

Choosing an original brake caliper housing for a Citroën translates into a number of practical operational benefits. The most important of these are:

• Factory fitment – maintaining the original geometry of the mounts and interaction with other brake system components.
• Consistency with other components – compatibility with stock discs, pads, and brake lines.
• Predictable vehicle behavior – stable braking parameters in typical road conditions.
• Simplified diagnostics – the mechanic works on a known, factory design, which speeds up service.

A used OEM element is also a cost-effective solution while maintaining high manufacturing quality and compliance with the manufacturer's design.

Selection and safety of used brake components

When choosing a used brake caliper housing, it is particularly important to pay attention to the condition of the working surfaces, guide pin sockets, and mounting points. Proper assessment of these areas helps avoid problems with uneven braking, seized guide pins, or excessive pad wear.

If you want to verify step-by-step what to look for when buying used brake system components, use our practical guide: second-hand brake system – how to safely select discs, calipers, and ABS. You will find a checklist there that will facilitate the assessment of the part's condition before installation.

Additionally, when selecting a caliper housing for a specific version of the Citroën Relay III, it is worth using the OEM number or data from the vehicle's VIN. Detailed tips on how to do this correctly can be found in the article: guide to selecting the right car part by VIN and OEM number, which helps avoid mistakes when ordering.

Expanding Citroën brake system service

If you are planning a comprehensive repair or upgrade of the braking zone in your Citroën and need other elements from the same group, such as carriers, complete calipers, or mounting brackets, check the available parts in the Citroen Brake Calipers and Brackets category.

Combining a properly selected caliper housing with other components from the same group allows you to build a coherent, safe, and durable brake system, adapted to the loads typical for the Citroën Relay III.